<!--
  -    Copyright (c) 2018-2025, lengleng All rights reserved.
  -
  - Redistribution and use in source and binary forms, with or without
  - modification, are permitted provided that the following conditions are met:
  -
  - Redistributions of source code must retain the above copyright notice,
  - this list of conditions and the following disclaimer.
  - Redistributions in binary form must reproduce the above copyright
  - notice, this list of conditions and the following disclaimer in the
  - documentation and/or other materials provided with the distribution.
  - Neither the name of the pig4cloud.com developer nor the names of its
  - contributors may be used to endorse or promote products derived from
  - this software without specific prior written permission.
  - Author: lengleng (wangiegie@gmail.com)
  -->

<template>
  <div class="app-container calendar-list-container">
    <basic-container>
      <div class="filter-container">
        <el-button-group>
          <el-button type="primary"
                     v-if="menuManager_btn_add"
                     icon="plus"
                     @click="handlerAdd">添加
          </el-button>
          <el-button type="primary"
                     v-if="menuManager_btn_edit"
                     icon="edit"
                     @click="handlerEdit">编辑
          </el-button>
          <el-button type="primary"
                     v-if="menuManager_btn_del"
                     icon="delete"
                     @click="handleDelete">删除
          </el-button>
        </el-button-group>
      </div>

      <el-row>
        <el-col :span="8"
                style='margin-top:15px;'>
          <el-tree class="filter-tree"
                   node-key="id"
                   highlight-current
                   :data="treeData"
                   :default-expanded-keys="aExpandedKeys"
                   :filter-node-method="filterNode"
                   :props="defaultProps"
                   @node-click="getNodeData"
                   @node-expand="nodeExpand"
                   @node-collapse="nodeCollapse">
          </el-tree>
        </el-col>
        <el-col :span="16"
                style='margin-top:15px;'>
          <el-card class="box-card">
            <el-form :label-position="labelPosition"
                     label-width="80px"
                     :model="form"
                     ref="form">
              <el-form-item label="父级节点"
                            prop="parentId">
                <el-input v-model="form.parentId"
                          :disabled="true"
                          placeholder="请输入父级节点"></el-input>
              </el-form-item>
              <el-form-item label="节点ID"
                            prop="menuId">
                <el-input v-model="form.menuId"
                          :disabled="formEdit || !menuIdNull"
                          placeholder="请输入节点ID"></el-input>
              </el-form-item>
              <el-form-item label="标题"
                            prop="name">
                <el-input v-model="form.name"
                          :disabled="formEdit"
                          placeholder="请输入标题"></el-input>
              </el-form-item>
              <el-form-item label="权限标识"
                            prop="permission">
                <el-input v-model="form.permission"
                          :disabled="formEdit"
                          placeholder="请输入权限标识"></el-input>
              </el-form-item>
              <el-form-item label="图标"
                            prop="icon">
                <avue-crud-icon-select v-model="form.icon"
                                       :iconList="iconList"
                                       :disabled="formEdit"
                                       placeholder="请输入图标"></avue-crud-icon-select>
              </el-form-item>
              <el-form-item label="类型"
                            prop="type">
                <el-select class="filter-item"
                           v-model="form.type"
                           :disabled="formEdit"
                           placeholder="请输入资源请求类型">
                  <el-option v-for="item in  typeOptions"
                             :key="item"
                             :label="item | typeFilter"
                             :value="item"></el-option>
                </el-select>
              </el-form-item>
              <el-form-item label="排序"
                            prop="sort">
                <el-input type="number"
                          v-model="form.sort"
                          :disabled="formEdit"
                          placeholder="请输入排序"></el-input>
              </el-form-item>
              <el-form-item label="前端组件"
                            prop="component">
                <el-input v-model="form.component"
                          :disabled="formEdit"
                          placeholder="请输入描述"></el-input>
              </el-form-item>
              <el-form-item label="前端地址"
                            prop="component">
                <el-input v-model="form.path"
                          :disabled="formEdit"
                          placeholder="iframe嵌套地址"></el-input>
              </el-form-item>
              <el-form-item label="路由缓冲"
                            prop="component">
                <el-switch v-model="form.keepAlive"
                           :disabled="formEdit"
                           active-color="#13ce66"
                           inactive-color="#ff4949"
                           :active-value='"1"'
                           :inactive-value='"0"'>
                </el-switch>
              </el-form-item>
              <el-form-item v-if="formStatus == 'update'">
                <el-button type="primary"
                           @click="update">更新
                </el-button>
                <el-button @click="onCancel">取消</el-button>
              </el-form-item>
              <el-form-item v-if="formStatus == 'create'">
                <el-button type="primary"
                           @click="create">保存
                </el-button>
                <el-button @click="onCancel">取消</el-button>
              </el-form-item>
            </el-form>
          </el-card>
        </el-col>
      </el-row>
    </basic-container>
  </div>
</template>

<script>
import {
  addObj,
  delObj,
  fetchMenuTree,
  getObj,
  putObj
} from "@/api/admin/menu";
import { mapGetters } from "vuex";
import iconList from "@/const/iconList";

export default {
  name: "menu",
  data() {
    return {
      iconList: iconList,
      list: null,
      total: null,
      formEdit: true,
      menuIdNull: true,
      formAdd: true,
      formStatus: "",
      showElement: false,
      typeOptions: ["0", "1"],
      methodOptions: ["GET", "POST", "PUT", "DELETE"],
      listQuery: {
        name: undefined
      },
      treeData: [],
      oExpandedKey: {
        // key (from tree id) : expandedOrNot boolean
      },
      oTreeNodeChildren: {
        // id1 : [children] (from tree node id1)
        // id2 : [children] (from tree node id2)
      },
      aExpandedKeys: [],
      defaultProps: {
        children: "children",
        label: "name"
      },
      labelPosition: "right",
      form: {
        permission: undefined,
        name: undefined,
        menuId: undefined,
        parentId: undefined,
        icon: undefined,
        sort: undefined,
        component: undefined,
        type: undefined,
        path: undefined
      },
      currentId: -1,
      menuManager_btn_add: false,
      menuManager_btn_edit: false,
      menuManager_btn_del: false
    };
  },
  filters: {
    typeFilter(type) {
      const typeMap = {
        0: "菜单",
        1: "按钮"
      };
      return typeMap[type];
    }
  },
  created() {
    this.getList();
    this.menuManager_btn_add = this.permissions["sys_menu_add"];
    this.menuManager_btn_edit = this.permissions["sys_menu_edit"];
    this.menuManager_btn_del = this.permissions["sys_menu_del"];
  },
  computed: {
    ...mapGetters(["elements", "permissions"])
  },
  methods: {
    getList() {
      fetchMenuTree(this.listQuery).then(response => {
        this.treeData = response.data.data;
      });
    },
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },

    nodeExpand(data) {
      let aChildren = data.children;
      if (aChildren.length > 0) {
        this.oExpandedKey[data.id] = true;
        this.oTreeNodeChildren[data.id] = aChildren;
      }
      this.setExpandedKeys();
    },
    nodeCollapse(data) {
      this.oExpandedKey[data.id] = false;
      // 如果有子节点
      this.treeRecursion(this.oTreeNodeChildren[data.id], oNode => {
        this.oExpandedKey[oNode.id] = false;
      });
      this.setExpandedKeys();
    },
    setExpandedKeys() {
      let oTemp = this.oExpandedKey;
      this.aExpandedKeys = [];
      for (let sKey in oTemp) {
        if (oTemp[sKey]) {
          this.aExpandedKeys.push(parseInt(sKey));
        }
      }
    },
    treeRecursion(aChildren, fnCallback) {
      if (aChildren) {
        for (let i = 0; i < aChildren.length; ++i) {
          let oNode = aChildren[i];
          fnCallback && fnCallback(oNode);
          this.treeRecursion(oNode.children, fnCallback);
        }
      }
    },

    getNodeData(data) {
      if (!this.formEdit) {
        this.formStatus = "update";
      }
      getObj(data.id).then(response => {
        this.form = response.data.data;
      });
      this.currentId = data.id;
      this.showElement = true;
      this.menuIdNull = false;
    },
    handlerEdit() {
      if (this.form.menuId) {
        this.formEdit = false;
        this.menuIdNull = false;
        this.formStatus = "update";
      }
    },
    handlerAdd() {
      this.resetForm();
      this.formEdit = false;
      this.menuIdNull = true;
      this.formStatus = "create";
    },
    handleDelete() {
      this.$confirm("此操作将永久删除, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        delObj(this.currentId).then(() => {
          this.getList();
          this.resetForm();
          this.onCancel();
          this.$notify({
            title: "成功",
            message: "删除成功",
            type: "success",
            duration: 2000
          });
        });
      });
    },
    update() {
      putObj(this.form).then(() => {
        this.getList();
        this.$notify({
          title: "成功",
          message: "更新成功",
          type: "success",
          duration: 2000
        });
      });
    },
    create() {
      addObj(this.form).then(() => {
        this.getList();
        this.$notify({
          title: "成功",
          message: "创建成功",
          type: "success",
          duration: 2000
        });
      });
    },
    onCancel() {
      this.formEdit = true;
      this.formStatus = "";
    },
    resetForm() {
      this.form = {
        permission: undefined,
        name: undefined,
        menuId: undefined,
        parentId: this.currentId,
        icon: undefined,
        sort: undefined,
        component: undefined,
        type: undefined,
        path: undefined
      };
    }
  }
};
</script>

